Normal Operation
WARNING: This page is about a different car, the 2005 Lincoln LS. However, it is still accessible from the selected car via links, so may be relevant.
The windshield wipers are activated by a ground signal sent from the wiper motor through circuit 8-KA5 (WH/BK) to the front electronic module (FEM). After 10 seconds of a continuous ground signal from the wiper motor on circuit 8-KA5 (WH/BK), the FEM illuminates the headlamps.